Program untuk membaca BME280 dengan NodeMCU

NodeMCU_BME280.ino

/* NodeMCU_BME280.ino
 * Program untuk membaca suhu dan kelembaban dari sensor BME280 (I2C)
 * menggunakan NodeMCU
 *
 * Hak cipta (c) 2019 x.benny.id. All rights reserved.
 * https://x.benny.id
 */


#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <ESP8266WiFi.h>

// Inisialisasi BME280
Adafruit_BME280 bme;

void setup() {
  // Memulai Serial untuk debug
  Serial.begin(115600);
  Serial.setTimeout(2000);

  // Wait for serial to initialize.
  while(!Serial) { }

  Serial.println("Device Started");
  Serial.println("-------------------------------------");
  Serial.println("Running NodeMCU_BME280!");
  Serial.println("-------------------------------------");

  // Mendeteksi keberadaan BME280
  if (!bme.begin()) {  
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    delay(1000);
  }
  
  // Set BME Mode to Forced Mode
  // Code from Adafruit sample library
  Serial.println("-- Weather Station Scenario --");
  Serial.println("forced mode, 1x temperature / 1x humidity / 1x pressure oversampling,");
  Serial.println("filter off");
  bme.setSampling(Adafruit_BME280::MODE_FORCED,
                  Adafruit_BME280::SAMPLING_X1, // temperature
                  Adafruit_BME280::SAMPLING_X1, // pressure
                  Adafruit_BME280::SAMPLING_X1, // humidity
                  Adafruit_BME280::FILTER_OFF   );
}

void loop() {
  int BMEReadResult = 0;
  float p = 0;
  float h = 0;
  float f = 0;
  float t = 0;
  while (BMEReadResult == 0) {
    Serial.println("Reading BME280");
    
    // Membaca Tekanan Udara
    p = bme.readPressure();
    if (isnan(p)) {
      Serial.println("Failed to read from Pressure from BME sensor!");
      delay(100);
      continue;
    }
    
    // Membaca suhu
    t = bme.readTemperature();
    if (isnan(t)) {
      Serial.println("Failed to read from Temperature from BME sensor!");
      delay(100);
      continue;
    }
    
    // Konversi suhu dari celcius ke farenheit
    f = round(t * 9/5 + 32);
    
    // Membaca kelembaban udara
    h = bme.readHumidity();
    if (isnan(h)) {
      Serial.println("Failed to read from Humidity from BME sensor!");
      delay(100);
      continue;
    }
    BMEReadResult = 1;
    
    // Mengirimkan hasil ke serial
    Serial.print("Pressure (Pa): ");
    Serial.println(p);
    Serial.print("Pressure (mBar): ");
    Serial.println(p/100);
    Serial.print("Temperature (C/F): ");
    Serial.print(t);
    Serial.print("/");
    Serial.println(f);
    Serial.print("Humidity (%): ");
    Serial.println(h);
  }
  delay(60000);
}